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Server functionality for HBase

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hadoop.hbase.backup;

import java.io.IOException;

import org.apache.hadoop.conf.Configurable;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.backup.impl.BackupManager;
import org.apache.hadoop.hbase.classification.InterfaceAudience;

/**
 * Backup copy job is a part of a backup process. The concrete implementation is responsible for
 * copying data from a cluster to backup destination. Concrete implementation is provided by backup
 * provider, see {@link BackupRestoreFactory}
 */
@InterfaceAudience.Private
public interface BackupCopyJob extends Configurable {

  /**
   * Copy backup data to destination
   * @param backupInfo context object
   * @param backupManager backup manager
   * @param conf configuration
   * @param backupType backup type (FULL or INCREMENTAL)
   * @param options array of options (implementation-specific)
   * @return result (0 - success, -1 failure )
   * @throws IOException exception
   */
  int copy(BackupInfo backupInfo, BackupManager backupManager, Configuration conf,
      BackupType backupType, String[] options) throws IOException;

  /**
   * Cancel copy job
   * @param jobHandler backup copy job handler
   * @throws IOException
   */
  void cancel(String jobHandler) throws IOException;
}